Last year's losses in the tropics released 2.7 gigatons of carbon dioxide.

去年热带森林的损失释放了27亿吨二氧化碳。

About 37 gigatons of carbon dioxide from the atmosphere.

从大气中吸收大约 370 亿吨二氧化碳。

We could contribute to 5-10 gigatons annually of carbon dioxide removal in the future.

未来，我们每年可以减少5到10千兆吨的二氧化碳排放。

Now, one gigaton is only a part of the challenge, but it's quite big.

那么，1 个十亿吨只是挑战的一部分，但却是很大一部分。

One gigaton is equal to about 1 billion metric tons, the American space agency NASA notes.

美国航天局NASA指出，10亿吨大约相当于10亿吨。

When the boreal forest burns, it has the potential to release gigatons of carbon into the atmosphere.

当北方森林燃烧时，它有可能向大气中释放数十亿吨的碳。

We release 55 gigatons of greenhouse gases into the air every year.

我们每年向空气中排放 55 亿吨温室气体。

You know, if we are putting gigatons of seaweed into the deep ocean, we're affecting life down there.

如果我们放了几十亿吨的海藻到深海中，我们会影响那里的生命。

And that is measured at no less than gigatons.

这不低于十亿吨。

And that 90 gigatons reduced is a conservative figure.

减少的 90 吉吨是一个保守数字。

It's huge and slow-moving -- think gigatons and centuries.

它巨大而缓慢— — 想想十亿吨和几个世纪。

" We make 4 gigatons per year of [concrete], " Masic says.

“我们每年生产 40 亿吨[混凝土]，”Masic 说。

Today that figure is already down to less than 350 gigatons.

今天， 这个数字已经下降到不到 350 吉吨。

(A gigaton is one billion metric tons.) Each gigaton equals the weight of some 6.5 million houses.

（1 十亿吨等于 10 亿公吨。）每 10 吨相当于约 650 万栋房屋的重量。

It is estimated that 50 gigatons of carbon are produced each year around the world.

据估计，全世界每年产生 50 吉吨的碳。

If we are putting gigatons of seaweed into the deep ocean, we're affecting life down there.

如果我们把数亿吨的海藻放进深海，我们就会影响那里的生命。

Have in mind, the entire CO2 emission system is 55 gigatons.

要知道，整个体系的二氧化碳排放有 550 亿吨。

That is, one gigaton, four gigatons and 20 gigatons of CO2.

意思是，1 个十亿吨、4 个十亿吨，以及 20 个十亿吨的二氧化碳。

That means more than 40 billion metric tons, that's 40 gigatons, of CO2 gets dumped in the air each year.

这意味着每年有超过 400 亿公吨，即 40 吉吨的二氧化碳排放到空气中。

We'll be investing many, many billions of dollars into these solutions, and they will take decades to get to the gigaton scale.

我们将在这些解决方案上投入数十亿美元，它们需要几十年的时间才能达到千兆吨级的规模。